package com.lanou3g.code0404.morning;

public class Foo {

    void fun(int a, Table table) {
        a = a + 1;
        table.legCount = table.legCount + 1;//table.legCount++
    }

    void fun2(Table t) {
        t = new Table();
        t.color = "绿色";
        t.legCount = 5;
    }
    void fun3(String a){
        a="你好";
    }
}
